Equivalent & Substitute Parts for ES3C M6G

Part Overview

The ES3C M6G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 150 V DC reverse voltage and 3 A average rectified current in a DO-214AB (SMC) surface mount package. This part is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

The ES3C M6G operates across a junction temperature range of -55°C to 150°C and features fast recovery characteristics with a reverse recovery time of 35 nanoseconds. The part is RoHS3 compliant and carries MSL 1 (unlimited moisture sensitivity level) classification.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 3 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10	µA @ 150 V
Capacitance @ Vr, F	45	pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the ES3C M6G are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents share identical electrical specifications across all critical parameters: 150 V reverse voltage, 3 A average rectified current, 950 mV forward voltage drop at 3 A, 35 ns reverse recovery time, 10 µA reverse leakage current, and 45 pF capacitance. These parts maintain the same DO-214AB (SMC) package configuration and operating temperature range. Parametric equivalents are direct functional replacements with no performance trade-offs.

Similar Parts maintain the same voltage and current ratings (150 V, 3 A) and package family (DO-214AB/SMC or DO-214AA/SMB) but exhibit variations in secondary parameters such as forward voltage drop (900 mV versus 950 mV), reverse recovery time (20–25 ns versus 35 ns), or reverse leakage current (1 µA versus 10 µA). Similar parts are functionally compatible but may exhibit different thermal or switching characteristics. One similar part (U3C-E3/57T and U3C-E3/9AT) operates at 2 A average rectified current, representing a reduced current rating.

Substitution eligibility is determined by: (1) DC reverse voltage rating equal to or exceeding 150 V, (2) average rectified current rating equal to or exceeding the application requirement, (3) surface mount package compatibility (DO-214AB/SMC or DO-214AA/SMB), (4) operating temperature range encompassing -55°C to 150°C, and (5) RoHS3 compliance and MSL 1 classification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	trr [ns]	Ir @ Vr [µA]	Package	Product Status
ES3C M6G	Taiwan Semiconductor Corporation	150	3	950 @ 3 A	35	10 @ 150 V	DO-214AB (SMC)	Discontinued
ES3C	Taiwan Semiconductor Corporation	150	3	950 @ 3 A	35	10 @ 150 V	DO-214AB (SMC)	Active
ES3CH	Taiwan Semiconductor Corporation	150	3	950 @ 3 A	35	10 @ 150 V	DO-214AB (SMC)	Active
ER3C_R1_00001	Panjit International Inc.	150	3	950 @ 3 A	35	1 @ 150 V	DO-214AB (SMC)	Active
ES3C-13-F	Diodes Incorporated	150	3	900 @ 3 A	25	10 @ 150 V	DO-214AB (SMC)	Active
ES3CB-13-F	Diodes Incorporated	150	3	900 @ 3 A	25	10 @ 150 V	DO-214AA (SMB)	Active
U3C-E3/57T	Vishay General Semiconductor - Diodes Division	150	2	900 @ 3 A	20	10 @ 150 V	DO-214AB (SMC)	Active
U3C-E3/9AT	Vishay General Semiconductor - Diodes Division	150	2	900 @ 3 A	20	10 @ 150 V	DO-214AB (SMC)	Active

Engineering Selection Recommendations

Primary Recommendation: ES3C (Taiwan Semiconductor Corporation)

The ES3C is a parametric equivalent to the discontinued ES3C M6G, offering identical electrical specifications and package configuration. This part is currently active in production with 10,200 pieces in stock. The ES3C maintains all critical parameters: 150 V reverse voltage, 3 A average rectified current, 950 mV forward voltage drop, 35 ns reverse recovery time, and 10 µA reverse leakage current. RoHS3 compliance and MSL 1 classification are preserved. This part is the direct replacement for the ES3C M6G.

Secondary Recommendation: ES3CH (Taiwan Semiconductor Corporation)

The ES3CH is a parametric equivalent with automotive-grade qualification (AEC-Q101) and identical electrical specifications to the ES3C M6G. This part is suitable for applications requiring automotive-level reliability and traceability. Current inventory is 832 pieces.

Tertiary Recommendation: ER3C_R1_00001 (Panjit International Inc.)

The ER3C_R1_00001 is a parametric equivalent with identical voltage, current, and package specifications. This part exhibits superior reverse leakage performance (1 µA versus 10 µA at 150 V), which may provide benefits in low-leakage applications. Current inventory is 1,139 pieces.

Alternative Recommendation: ES3C-13-F (Diodes Incorporated)

The ES3C-13-F maintains 150 V reverse voltage and 3 A average rectified current in a DO-214AB (SMC) package. This part exhibits improved switching performance with 25 ns reverse recovery time (versus 35 ns) and reduced forward voltage drop (900 mV versus 950 mV at 3 A). These characteristics result in lower power dissipation and faster switching transitions. Current inventory is 10,300 pieces. This part is suitable for applications where thermal management or switching speed is a design constraint.

Package Variant: ES3CB-13-F (Diodes Incorporated)

The ES3CB-13-F is electrically equivalent to the ES3C-13-F but uses a DO-214AA (SMB) package instead of DO-214AB (SMC). This part is suitable only if the PCB layout and thermal design accommodate the larger SMB package footprint. Current inventory is 10,400 pieces.

Current-Reduced Alternatives: U3C-E3/57T and U3C-E3/9AT (Vishay General Semiconductor - Diodes Division)

Both U3C-E3/57T and U3C-E3/9AT are rated for 2 A average rectified current (versus 3 A for the ES3C M6G). These parts are suitable only for applications where the maximum required current does not exceed 2 A. Both parts offer improved switching performance (20 ns reverse recovery time) and reduced forward voltage drop (900 mV). U3C-E3/57T inventory is 8,700 pieces; U3C-E3/9AT inventory is 1,112 pieces.

Frequently Asked Questions (FAQ)

Q: Can the ES3C directly replace the discontinued ES3C M6G?

A: Yes. The ES3C is a parametric equivalent with identical electrical specifications (150 V, 3 A, 950 mV forward voltage, 35 ns recovery time) and the same DO-214AB (SMC) package. No design modifications are required.

Q: What is the difference between parametric equivalents and similar parts?

A: Parametric equivalents share all critical electrical specifications with the ES3C M6G. Similar parts maintain the same voltage and current ratings but may exhibit variations in secondary parameters such as forward voltage drop, reverse recovery time, or reverse leakage current. Similar parts are functionally compatible but may exhibit different thermal or switching characteristics.

Q: Can I use the ES3C-13-F as a direct replacement for the ES3C M6G?

A: Yes, with design considerations. The ES3C-13-F maintains 150 V reverse voltage and 3 A average rectified current in the same DO-214AB (SMC) package. However, it exhibits lower forward voltage drop (900 mV versus 950 mV) and faster reverse recovery (25 ns versus 35 ns). These improvements reduce power dissipation and switching losses, which may require thermal design verification in existing layouts.

Q: Why would I choose a part with lower current rating, such as the U3C-E3/57T (2 A)?

A: The U3C-E3/57T is suitable only if the application's maximum required current does not exceed 2 A. This part offers improved switching performance (20 ns recovery time) and lower forward voltage drop (900 mV), which may provide thermal or efficiency benefits in current-limited applications. Using a lower-rated part in a higher-current application will result in device failure.

Q: What is the significance of the ES3CH automotive qualification?

A: The ES3CH carries AEC-Q101 automotive qualification, indicating compliance with automotive reliability and testing standards. This part is suitable for automotive applications requiring documented traceability and qualification history. The ES3CH is electrically identical to the ES3C but includes automotive-grade manufacturing and testing protocols.

Q: Can I use the ES3CB-13-F (SMB package) instead of the ES3C M6G (SMC package)?

A: The ES3CB-13-F is electrically compatible but uses a larger DO-214AA (SMB) package instead of the DO-214AB (SMC) package. Substitution requires PCB layout modification to accommodate the different footprint. Thermal design must also be re-evaluated, as the SMB package has different thermal characteristics than the SMC package.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 (Unlimited) indicates that the component has no moisture sensitivity restrictions. The part does not require special moisture-control handling during storage, transportation, or assembly. This classification applies to all recommended substitute parts.

Q: Are all recommended parts RoHS3 compliant?

A: Yes. All parametric equivalents and similar parts listed in this reference are RoHS3 compliant, indicating compliance with the Restriction of Hazardous Substances Directive. This compliance status is maintained across all substitute options.

Q: What is the difference between reverse recovery time (trr) values, and why does it matter?

A: Reverse recovery time is the interval required for a diode to transition from forward conduction to reverse blocking after the applied voltage reverses. Lower reverse recovery time (20–25 ns) results in faster switching transitions and reduced switching losses compared to higher values (35 ns). In high-frequency switching applications, faster recovery times reduce power dissipation and heat generation. In low-frequency applications, this difference is negligible.

Q: Can I use the ER3C_R1_00001 in a low-leakage application?

A: Yes. The ER3C_R1_00001 exhibits superior reverse leakage performance (1 µA at 150 V versus 10 µA for the ES3C M6G). This lower leakage current is beneficial in applications requiring minimal standby current or high-impedance circuits. All other electrical specifications are identical to the ES3C M6G.

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